.col_tab{
    margin:0.4rem 0;
}
.col_tab .tab_item{
    float:left;
    font-size:0.24rem;
    font-weight:400;
    font-family:syh;
    box-shadow:0 0.03rem 0.06rem 0 #0000000f;
    margin-right:0.2rem;
}
.col_tab .tab_item:last-child{margin-right:0;}
.col_tab .tab_item>a{
    display:block;
    padding:0.2rem 0.7rem;
    color:#333333;
    transition:0.4s;
}
.col_tab .tab_item.selected>a,
.col_tab .tab_item>a:hover{
    color:#fff;
    background-color:#9b1717;
}
body.list_research .col_news_list .news{
    padding:0.33rem 0.4rem;
    margin-bottom:0.45rem;
    border:none;
    box-shadow: 0 0.01rem 0.16rem 0 #1359B91a;
}
body.list_research .col_news_list .news_imgs{
    width:3.39rem;
    height:2.43rem;
}
body.list_research .col_news_list .news_con{
    width: calc(100% - 3.39rem);
    padding: 0 0 0 0.37rem;
    box-sizing: border-box;
    box-shadow:none;   
}
body.list_research .col_news_list .news_intro{
    -webkit-line-clamp:3;
    line-height:0.32rem;
    height:0.96rem;
}
body.list_research .news_more{
    font-size:0.16rem;
    font-weight:400;
    font-family:'syh';
    color:#9B1717;
    width:fit-content;
    border:0.01rem solid #9B1717;
    padding:0.04rem 0.29rem;
    margin-top:0.45rem;
    transition:0.4s;
}
body.list_research .news:hover .news_more{
    color:#E69825;
    border:0.01rem solid #E69825;
}
@media screen and (max-width: 999px){
    .col_menu .col_menu_head{display:none;}
}
@media screen and (max-width: 600px){
    .col_tab .tab_item>a{
        padding:10px 25px;
    }
    body.list_research .col_news_list .news_imgs{
        width:100%;
        height:0;
        padding-top:71.68%;
    }
    body.list_research .col_news_list .news_con{
        width:100%;
        padding:20px 0 0;
    }
    body.list_research .col_news_list .news_intro{
        height:auto;
    }
    body.list_research .news:hover .news_more{
        margin-top:20px;
    }
}
@media screen and (max-width: 479px){
    body.list_research .col_news_list .news{
        padding:20px;
    }
}